<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>
    用户名:<input id="userName" name="userName"><br>
    密码:<input id="passWord" name="passWord"><br>
    <button id="submit" name="submit" value="登录">登录</button>
</body>
</html>